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Image forming apparatus, motor control apparatus, and method of controlling a motor

a technology of motor control and image forming apparatus, which is applied in the direction of electronic commutators, dynamo-electric converter control, instruments, etc., can solve the problems of vibration, noise and heating of the motor, increase the material cost of the motor components, and increase the cost of the motor

Active Publication Date: 2019-01-01
HEWLETT PACKARD DEV CO LP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent describes a sensor that can smoothly and sensitively measure the voltage level of a resistor. This allows for accurate and reliable voltage measurements to be made.

Problems solved by technology

However, if the current amount that is larger than the necessary current amount is supplied, the remaining current amount (current that is not consumed for motor driving), causes vibration, noise, and heating of the motor.
Further, due to the oversupplied motor inflow current, unnecessary power consumption may occur.
Further, a motor having a larger capacity than the motor having the rated capacity, which is necessary for actual use, should be used, and this may cause the material cost of the motor components to be increased.

Method used

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  • Image forming apparatus, motor control apparatus, and method of controlling a motor
  • Image forming apparatus, motor control apparatus, and method of controlling a motor
  • Image forming apparatus, motor control apparatus, and method of controlling a motor

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Embodiment Construction

[0071]Reference will now be made in detail to the embodiments of the present general inventive concept, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the like elements throughout. The embodiments are described below in order to explain the present general inventive concept while referring to the figures.

[0072]FIG. 1 is a diagram illustrating the configuration of an image forming apparatus according to an exemplary embodiment of the present disclosure.

[0073]Referring to FIG. 1, an image forming apparatus 100 includes a communication interface 110, a user interface 120, a memory 130, an engine portion 140, a step motor 150, a controller 160, and a motor control apparatus 200.

[0074]Here, the image forming apparatus 100 is an apparatus which performs generation, printing, reception, and transmission of image data, and may be a printer, a copy machine, a facsimile, and a multifunction peripheral (MFP) in which functions of the ab...

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PUM

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Abstract

An image forming apparatus may include an engine portion used to perform an image forming job, a step motor configured to start the engine portion, a driver including a resistor that measures current that flows to a coil of the step motor and is configured to provide a predetermined constant current to the step motor, and a drive controller configured to measure a load level of the step motor based on a voltage value of the resistor and to control the driver to provide the constant current that corresponds to the measured load level.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This application claims priority under 35 U.S.C. § 119(a) to Korean Patent Application No. 10-2013-0062155, filed on May 30, 2013, in the Korean Intellectual Property Office and priority under 35 U.S.C. § 120 from U.S. Provisional Patent Application No. 61 / 820,806 filed on May 8, 2013, in the United States Patent and Trademark Office, the disclosure of which is incorporated herein by reference in its entirety.BACKGROUND OF THE INVENTION[0002]1. Field of the Invention[0003]The present disclosure relates to an image forming apparatus, a motor control apparatus, and a method of controlling a motor, and more particularly to an image forming apparatus, a motor control apparatus, and a method of controlling a motor, which can sense a load of a step motor and vary constant current supplied to the step motor according to the sensed load.[0004]2. Description of the Related Art[0005]An image forming apparatus is an apparatus which performs generati...

Claims

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Application Information

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Patent Type & Authority Patents(United States)
IPC IPC(8): H02P27/08H02P6/12H02P6/14H02P8/38H02P8/12
CPCH02P8/12H02P8/38G03G15/80G03G15/55
Inventor YOU, YONG-HOKIM, HAK-YOUNGBYUN, JI-YOUNGJUNG, SANG-HYUKHWANG, HO-BIN
Owner HEWLETT PACKARD DEV CO LP